What is a deuterostome?

Q: What is a deuterostome?


A: A deuterostome is a nephrozoan superphylum of bilaterian animals, which is not part of the usual system of classification.

Q: How are deuterostomes and protostomes distinguished from each other?


A: Deuterostomes and protostomes are distinguished by their embryos. In deuterostomes, the first opening (the blastopore) becomes the anus, while in protostomes it becomes the mouth.

Q: What level of taxon do deuterostomes belong to?


A: Deuterostomes belong to a taxon above the level of phylum.

Q: Are deuterostomes bilateral animals?


A: Yes, deuterotstomes are bilateral animals.

Q: What happens to the blastopore in a deuteroastome embryo?


A: In a deuteroastome embryo, the blastopore becomes the anus.

Q: Is there an opposite process for protostome embryos?


A: Yes, for protostome embryos, the blastopore becomes the mouth.

AlegsaOnline.com - 2020 / 2023 - License CC3